Internal fluid filter



FIG. 1 is a cross-sectional front side view of the internal fluid filtershowing our new design design;

FIG. 2 is a cross-sectional rear side view thereof;

FIG. 3 is an exploded isometric front view thereof along line 1-1; and,

FIG. 4 is an exploded isometric rear view thereof along line 2-2.

The broken lines represent environment and form no part of the claimeddesign.

CLAIM The ornamental design for the internal fluid filter, as shown anddescribed.